Ratio and Equivalent Ratio

The following ratios are in its simplest form EXCEPT ________.

• 1 : 3

• 2 : 3

• 4 : 5

• 8 : 10

When reducing a ratio or fraction to its simplest form, it is necessary to find the __________________for both terms in the ratio or fraction.

• Greatest Common Factor (GCF)

• Divisibility

• Equivalent Ratio

• Least Common Factor (LCM)

Luz earns $400 for 40 hours of work. Use a ratio table to determine how much she earns for 6 hours of work.

• $60.00

• $20.00

• $40.00

• $10.00

Determine if the pair of ratios or rates are equivalent.

78 correct answers out of 100 test questions; 39 correct answers out of 50 test questions

• Yes

• No

Determine if the rates are equivalent. Explain your reasoning.

• The numerator and denominator are not divided by the same number, so the rates are not equivalent.

• The numerator and denominator are not divided by the same number, so the rates are equivalent.

• The numerator and denominator are divided by the same number, so the rates are not equivalent.

• The numerator and denominator are divided by the same number, so the rates are equivalent.

An ostrich can run at a rate of 50 miles in 60 minutes. At this rate, how long would it take an ostrich to run 15 miles?

• 12 minutes

• 18 minutes

• 5 minutes

• 10 minutes

To disinfect 1 quart of stream water to make it drinkable, you need to add 2 tablets of iodine. How many tablets do you need to disinfect 4 quarts?

• 4 tablets

• 5 tablets

• 6 tablets

• 8 tablets

A soup that serves 16 people calls for 4 cups of chicken broth. How many cups of chicken broth would you need to make an identical recipe that serves 8 people?

*Use a ratio table to find the answer*

• 1 cup

• 4 cups

• 2 cups

• 6 cups

A soup that serves 16 people calls for 4 cups of chicken broth. How many cups of chicken broth would you need to make an identical recipe that serves 32 people?

*Use a ratio table to find the answer*

• 6 cups

• 4 cups

• 8 cups

• 1 cup

A soup that serves 16 people calls for 4 cups of chicken broth. How many cups of chicken broth would you need to make an identical recipe that serves 24 people?

*Use a ratio table to find the answer*

• 8 cups

• 6 cups

• 1 cup

• 10 cups